Fastify Has a Free Node.js Framework That's 3x Faster Than Express — Schema Validation, Plugins, TypeScript

The Express Problem Express was built in 2010. No built-in validation. No TypeScript support. No schema documentation. And it's slow — 15K requests/sec vs. Fastify's 60K+. Fastify is Express's modern replacement. JSON Schema validation, plugin architecture, TypeScript-first, 3x faster. What Fastify Gives You Simple API import Fastify from ' fastify ' ; const app = Fastify ({ logger : true }); app . get ( ' / ' , async () => { return { hello : ' world ' }; }); app . listen ({ port : 3000 }); JSON Schema Validation (+ Auto Documentation) app . post ( ' /users ' , { schema : { body : { type : ' object ' , required : [ ' name ' , ' email ' ], properties : { name : { type : ' string ' , minLength : 1 }, email : { type : ' string ' , format : ' email ' }, age : { type : ' integer ' , minimum : 0 }, }, }, response : { 200 : { type : ' object ' , properties : { id : { type : ' integer ' }, name : { type : ' string ' }, }, }, }, }, handler : async ( request ) => { // request.body is validated a